/* pages/course_video_tw/course_video_tw.wxss */
html {
  background: #fff;
}
.tw-box {
  display: block;
  width: 100%;
}
.tw-box textarea {
  display: block;
  width: calc(100% - 1.5rem);
  height: 10rem;
  padding: 0.75rem 0.75rem;
  font-size: 0.7rem;
  line-height: 1rem;
  color: #333;
  text-align: justify;
}
.tw-box .tb-img {
  display: block;
  width: calc(100% - 1.5rem);
  padding: 0 0.75rem;
}
.tw-box .tb-img .tbi-box {
  display: block;
  width: 3rem;
  height: 3rem;
  float: left;
  margin-right: 0.4rem;
  position: relative;
}
.tw-box .tb-img .tbi-box .tbib-pic {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 0.25rem;
}
.tw-box .tb-img .tbi-box .tbib-pic img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 0.25rem;
  object-fit: cover;
}
.tw-box .tb-img .tbi-box .tbib-det {
  display: block;
  width: 0.8rem;
  height: 0.8rem;
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  z-index: 100;
}
.tw-box .tb-img .tbi-box .tbib-det img {
  display: block;
  width: 100%;
  height: 100%;
}
.tw-box .tb-btn {
  display: block;
  width: calc(100% - 1.5rem);
  height: 2rem;
  padding: 0;
  background-image: url();
  border-radius: 1rem;
  font-size: 0.8rem;
  line-height: 2rem;
  color: #fff;
  text-align: center;
  position: fixed;
  left: 0.75rem;
  bottom: 0.75rem;
  z-index: 100;
}
